The similarities between them is that they play music, and they use batteries.
You don't a DVD will not work on the PS1 CD player
Coz you burned the movie on CD rather than on DVD disc, then when you play it on your DVD player, you could only hear the sound but couldn't get the video. You need to change the CD to DVD, and reburn the movie to a blank DVD disc, then there will be no problem for you to watch it on DVD player. More details in followed link
Yes.
i don't know about CD but a DVD cost about 25£
CD drives can only read CD. DVD are written a different way, but most DVD drives are backwards compatible with the CD format, so they usually can read both formats.
No. CD drives are only capable of reading CDs, not DVDs. Most DVD drives can read CDs as well.
One can buy dvd cd drives online through sites such as Amazon and eBay. Stores like Staples and Best Buy also sell dvd cd drives. Target and Sears, some locations, also sell dvd cd drives.
CD & DVD are examples of Secondary Storage Devices.
Most DVD drives can read both CD-R and DVDs. However, CD-ROM drives, which were designed before DVDs became standard, cannot read DVDs.
Computers used to have separate drives for putting in a CD and Playing a DVD. Now, especially with Laptops, Most Computers and Laptops have a multifunction unit in which both DVD'S and CD'S can be read, but again, some computers still do have separate drives, purely because the performance is better, e.g. A CD may upload better onto iTunes for example in A CD drive rather than a CD/DVD drive.
Most of them. It is typically netbooks, which are smaller and mainly for internet, that do not have CD/DVD drives.
In my experience, the laptops have slower drives in terms of read speed.
CD & DVD burners are optical drives that can write data to CDs or DVDs.
DVD and CD share both UDF file system
DVD and CD share both UDF file system
CD drivers and DVD drivers are both equally common. CD drives is a drive that reads a compact disc and that is connected to an audio system. A DVD drive is an optical disc storage media format.